{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898924,-0.438104,0.000000,0.000000,0.282923,-0.580516,0.763516,0.000000,-0.333560,0.684415,0.648316,0.000000,-2130491.896624,4371448.094836,4113156.722646,1],    "boundingVolume": {    "region": [2.024203,0.705311,2.024368,0.705430,0.000000,22.408144]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/6_1843648.b3dm"}}}